Re: [linux-next:master 11187/12559] include/linux/stddef.h:8:14: error: called object is not a function or function pointer

[Brian Masney <bmasney@redhat.com>]

Hi Rosen,

On Thu, Oct 01, 2026 at 01:18:36AM +0200, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   6c2cb8b8b843d216ab549b678a0d8831c43153e0
> commit: d0b72c88671b3c46342bbebc9b90280890436c98 [11187/12559] clk: mmp: allow COMPILE_TEST builds
> config: m68k-randconfig-r2308-20260930 (https://download.01.org/0day-ci/archive/20261001/202610010151.2W0MrmxE-lkp@intel.com/config)
> compiler: m68k-linux-gcc (GCC) 8.5.0
> sparse: v0.6.5-rc1
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261001/202610010151.2W0MrmxE-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202610010151.2W0MrmxE-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from include/uapi/linux/posix_types.h:5,
>                     from include/uapi/linux/types.h:14,
>                     from include/linux/types.h:5,
>                     from include/linux/of.h:14,
>                     from include/linux/clk-provider.h:10,
>                     from drivers/clk/mmp/clk-audio.c:8:
>    drivers/clk/mmp/clk-audio.c: In function 'mmp2_audio_clk_suspend':
> >> include/linux/stddef.h:8:14: error: called object is not a function or function pointer
>     #define NULL ((void *)0)
>                  ^
>    include/linux/pm_clock.h:77:24: note: in expansion of macro 'NULL'
>     #define pm_clk_suspend NULL
>                            ^~~~
>    drivers/clk/mmp/clk-audio.c:405:2: note: in expansion of macro 'pm_clk_suspend'
>      pm_clk_suspend(dev);
>      ^~~~~~~~~~~~~~
>    drivers/clk/mmp/clk-audio.c: In function 'mmp2_audio_clk_resume':
> >> include/linux/stddef.h:8:14: error: called object is not a function or function pointer
>     #define NULL ((void *)0)
>                  ^
>    include/linux/pm_clock.h:78:23: note: in expansion of macro 'NULL'
>     #define pm_clk_resume NULL
>                           ^~~~
>    drivers/clk/mmp/clk-audio.c:414:2: note: in expansion of macro 'pm_clk_resume'
>      pm_clk_resume(dev);
>      ^~~~~~~~~~~~~

This isn't directly a bug with your patch, however it is newly
introduced now that the driver can be compiled with COMPILE_TEST. Would
you have time to fix this up as well?

Brian